(19)

(11)

EP 4 373 665 A2

(12)

(88) Date of publication A3: 18.04.2024 (43) Date of publication: 29.05.2024 Bulletin 2024/22 (21) Application number: 23793092.0 (22) Date of filing: 13.09.2023

(51) International Patent Classification (IPC):  B31F 1/28(2006.01) (52) Cooperative Patent Classification (CPC): B31F 1/284; B31F 1/2831; B31F 1/2845 (86) International application number: PCT/US2023/032601 (87) International publication number: WO 2024/059112 (21.03.2024 Gazette 2024/12)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: KH MA MD TN (30) Priority: 14.09.2022 US 202263406433 P (71) Applicant: INTPRO, LLC Uniontown OH 44685 (US)	(72) Inventor: KOHLER, Herbert, B. Uniontown, OH 44685 (US) (74) Representative: A.P.I. Conseil  Technopôle Hélioparc 4, rue Jules Ferry 64000 Pau 64000 Pau (FR)